[PATCH] x86: Don't build some unused objects in TPL

[Bin Meng]

+Simon,

On Sat, Jun 27, 2020 at 8:00 PM Tom Rini <trini at konsulko.com> wrote:
>
> In the future if we have separate symbols for DM_SPI_FLASH and
> SPL_DM_SPI_FLASH we will not always have function declarations available
> for some DM calls.  This in turn leads to build warnings but not
> failures as the code isn't used and is discarded at link time.
> Restructure things to not build code we won't use for TPL anyways.
>
> Cc: Bin Meng <bmeng.cn at gmail.com>
> Signed-off-by: Tom Rini <trini at konsulko.com>
> ---
> I ran in to this as part of testing
> http://patchwork.ozlabs.org/project/uboot/patch/20200604151153.3980-4-Zhiqiang.Hou@nxp.com/
> which we do need to bring in.  I think we might be building a lot of
> codde that's then discarded for TPL builds, but didn't think this is the
> right place to tackle that in.
> ---
>  arch/x86/cpu/apollolake/Makefile | 2 +-
>  arch/x86/lib/Makefile            | 4 +++-
>  2 files changed, 4 insertions(+), 2 deletions(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>